Deleting objects in GCP using Lifecycle Policy File

Example: Delete the object after 31 days.

{
  "rule":
  [
    {
      "action": {"type": "Delete"},
      "condition": {"age": 31}
    }
  ]
}

Set the policy

gsutil lifecycle set life.json gs://$BUCKET_NAME_1

Get the policy

gsutil lifecycle get gs://$BUCKET_NAME_1